A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
NSN 6240-00-235-5159
NSN 6145-01-151-0238
NSN 4140-01-147-4764
NSN 5910-01-029-2290
NSN 5945-01-379-7686
NSN 6320-01-296-3181
NSN 6150-01-446-7292
NSN 6320-01-513-9166
NSN 5935-01-621-5476
NSN 2925-01-284-8641
NSN 5895-01-025-5688
NSN 6610-01-227-7221